<function name="rpcf_add_to_ipgroup" id="0x5200">
      <input>
        <integer name="ip_group_id"/>
        <ip_address name="ip_address"/>
        <ip_address name="mask" default="255.255.255.255"/>
        <string name="iptraffic_login" default=""/>
        <string name="iptraffic_password" default=""/>
        <string name="mac" default=""/>
        <string name="iptraffic_allowed_cid" default=""/>
      </input>
      <output>
        <integer name="result"/>
        <if variable="result" value="0" condition="eq">
          <error code="16" comment="unable to add IP-address to ipgroup"/>
        </if>
      </output>
    </function>

	function rpcf_add_to_ipgroup($id,$ip,$mask,$login="",$pass="",$mac="",$cid="") { //0x5200
		$ret=array();
		if (!$this->connection->urfa_call(0x5200)) {
			print "Error calling function ". __FUNCTION__ ."\n";
			return FALSE;
		}
		$packet = $this->connection->getPacket();
		$packet->DataSetInt($id);
		$packet->DataSetIPAddress($ip);
		$packet->DataSetIPAddress($mask);
		$packet->DataSetString($login);
		$packet->DataSetString($pass);
		$packet->DataSetString($mac);
		$packet->DataSetString($cid);
		$this->connection->urfa_send_param($packet);
		if ($x = $this->connection->urfa_get_data()) {
			$code=$x->DataGetInt();
		}
//		$this->connection->urfa_get_data();
		// -1 Error (bug in api.xml - 0)
		return $code;
	}